Research and development expenditures by industrial firms totaled $16.4 billion in 1967, up 6 per cent from the 1966 level by $15.5 billion, according to a bulletin released by the National Science Foundation.
Iowa Science Teachers' Journal
© Copyright 1969 by the Iowa Academy of Science
"NSF Reports on 1967 Industrial Research and Development,"
Iowa Science Teachers Journal: Vol. 7
, Article 12.
Available at: https://scholarworks.uni.edu/istj/vol7/iss2/12